Akuvox indoor monitor provides you with various types of ringtones and volume configurations. You can configure them on the device directly or on the web interface.
On the Device
Set up the volumes on the device Settings > Sound screen.

Ringtone: The incoming call ringtone.
Door Phone Ring Tones: The tone sounds when the indoor monitor receives calls from a door phone.
Ring Volume: The incoming call ringtone volume.
Talk Volume: The speaker volume during a call.
MIC Volume: The microphone volume during a call.
Touch Sound: The icon tapping sound.
You can configure the doorbell sound and select the local relay to be triggered along with the doorbell on the Settings > Doorbell screen.

Ringtone: Select the doorbell sound.
Doorbell Duration: Set the doorbell duration(from 10 seconds to 5 minutes).
Bell In Camera: Select the camera to be triggered along with the doorbell.
On the Web Interface
You can configure volumes on the Device > Audio interface.

MIC Volume: The microphone volume.
Ring Volume: The incoming call ringtone volume.
Talk Volume: The speaker volume during the call.
Touch Sound: The icon tapping sound.
Upload Tones
You can customize ringtones on the Device > Audio interface. Click Import to upload the ringtone and Delete to delete the existing one.

Note
File Format: WAV; Max Size: 250 KB; File Name: Less than 8 Chinese characters or 23 characters, &'` characters are not supported; Sample Rate: 8,000 Hz; Bit Rate: 64 kbps; Channels: Mono; Audio Codec: PCMU or PCM.